28 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.64. 



margin of the eyes and postero-lateral angles about equal to the longi- 

 tudinal diameter of the eyes; relative widths of head and thorax 1-1, 



Thorax ferruginous, distinctly wider than long; dorsum of thorax 

 very sparsely clothed with short, recumbent, golden pubescence, 

 coarsely, confluently punctate; upper one- fifth of posterior face of 

 propodeum broadly reticulate, the remainder polished, with a few 

 scattered punctures; humeri rounded; cephalic margin of propleura 

 with a strong, sharp carina extending from the ventral edge to the 

 humeral tubercles; propleura coarsely punctate; remainder of sides 

 of prothorax polished except a row of coarse punctures at the caudal 

 margin of the mesepimeron and a few scattered punctures near tlie 

 caudal margin of the sides of the propodeum. 



Abdomen ferruginous; first segment completely sessile with the 

 second; disk of first tergite with sparse, long, erect, silvery hairs, 

 the apex finety, rugosely punctate with a band of recumbent, stiff, 

 black hairs; basal two-thirds of second tergite coarsely, rugosely 

 punctate, the apical third with close, confluent punctures, except the 

 lateral margins of the tergite which have separated punctures ; sides 

 of second tergite with sparse, silvery pubescence, a narrow band of 

 sparse, black hairs at the base, a wide band of sparse, black pubes- 

 cence at the apex, and the remainder of the tergite with short, sparse, 

 golden pubescence ; tergites 3-5 Math fine, close punctures and sparse, 

 silvery pubescence; tergite 6 with golden pubescence at the base and 

 sides; pygidial area distinct, distinctly irregularly rugose; second 

 sternite with large, irregularly distributed punctures; sternites 2-G 

 with a thin band of silvery pubescence at the apex. 



Legs ferruginous, sparsely clothed with silvery pubescence; cal- 

 caria pale. 



Holi/type.— Female, May 12, 1906. Cotulla, Texas (J. C. Craw- 

 ford), Cat. No. 26209 U. S. National Museum. 



Parati/pes.~2 females. May 12, 1906, Cotulla, Texas (J. C. Craw- 

 ford), collection U. S. National Museum; female, May 12, 1906, 

 Cotulla, , Texas (J. C. Crawford), Cornell University collection; 

 female, May 12, 1906, Cotulla, Texas (J. C. Crawford), entomologi- 

 cal collection of University of Nebraska; 2 females, May 12, 1906, 

 Cotulla, Texas (J. C. Crawford), author's collection; female, July 

 1, 1906, Victoria, Texas (A. McLaughlin), collection U. S. National 

 Museum; female, February, 1909, Mercedes, Texas (F. C. Pratt), 

 collection U. S. National Museum. 



Paratypes.— Cat. No. 26209 U.S.N.M. 



This species is related to siinillitna Smith. It may be distinguished 

 from the latter by the much shorter thorax and rugose pygidium. 



